CVE-2026-56146: Improper Access Control (CWE-284) in Kibana can lead to unauthorized modification of Entity Analytics Watchlist configuration and potential information disclosure. A low-privileged

mediumCVSS 5.4CVE-2026-56146

Improper Access Control (CWE-284) in Kibana can lead to unauthorized modification of Entity Analytics Watchlist configuration and potential information disclosure. A low-privileged authenticated user with read-only Security Solution access could perform write operations on watchlist data that should require elevated privileges. Under specific deployment conditions, this could also allow such a user to access data beyond their authorized scope.

Details

Source: NVD Recent CVEs (US · database · site)
Severity: medium — CVSS 5.4
Published: 2026-07-21
Last updated: 2026-07-22
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-56146

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-561460.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-56146	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

medium[NEW] [medium] Kibana: Multiple vulnerabilitiescert-bund
unknownMultiple vulnerabilities in Elastic products (July 22, 2026)cert-fr-avis

Recent advisories for Improper Access Control

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

criticalCVE-2026-66803: Improper access control in Azure Cosmos DB allows an unauthorized attacker to execute code ove…nvd · 2026-07-30
highCVE-2026-12945: IBM Langflow OSS 1.0.0 through 1.10.1 allows authenticated users to access and manipulate othe…nvd · 2026-07-30
criticalCVE-2026-41920: Improper Access Control vulnerability in Apache Traffic Server. This issue affects Apache Traf…nvd · 2026-07-29
lowCVE-2026-63236: An improper access control vulnerability in Koollab LMS allowed an unauthenticated attacker to…nvd · 2026-07-29
lowCVE-2026-63235: An improper access control vulnerability in Koollab LMS allowed an unauthenticated attacker to…nvd · 2026-07-29
mediumCVE-2026-17570: Improper access control in the PAM password history endpoints in Devolutions Server allows an …nvd · 2026-07-27